QUESTIONS COMPLETE WITH VERIFIED
ANSWERS
\.What is the probability of a couple having four boys or four girls? - ANSWERS-
1/16
\.How many gametes could be produced by the genotype AabbCcDdEeFf? -
ANSWERS-32
\.Which of the following is FALSE about the haploid generation of the plant life
cycle? - ANSWERS-produces spores by meiosis
\.Imagine that you are a genetic counselor, and a couple planning to start a family
comes to you for information. Charles was married once before, and he and his
first wife had a child with cystic fibrosis. The brother of his current wife, Elaine,
died of cystic fibrosis. Neither Charles, Elaine, nor their parents have cystic
fibrosis. What is the probability that Charles and Elaine will have two sones, both
with cystic fibrosis? - ANSWERS-1/24
\.What statement about the clonal-selection theory of immune system function is
FALSE? - ANSWERS-antigens are recognized by receptor proteins inside the B cell
, \.You are a physician who examines a swollen and warm puncture would on the
hand of a patient. Does the patient's immune system response to this would tell
you that every aspect of his or her immune system is functioning normally? -
ANSWERS-No, because this response does not include the adaptive immune
system
\.Which of the following are unique characteristics or components of the
adaptive--but not innate--immune system? specificity, immune "memory", natural
killer cells, phagocytosis - ANSWERS-specificity and immune "memory"
\.You are a doctor who vaccinates a patent against tetanus caused by the
anaerobic bacterium Clostridium tetani. How does her body produce antibodies
against C. tetani? - ANSWERS-The B cell with the appropriate receptor is
stimulated to divide, producing plasma cells that make antibodies to the
bacterium, and memory cells that "remember" it
\.What is the purpose of getting a "flu shot" every year? - ANSWERS-it exposes
your immune system to antigens present on the flu virus, and antibodies can be
made by the immune system
\.A cell in which of the following phases would have the least amount of DNA? G1,
G2, prophase, metaphase, anaphase - ANSWERS-G1
\.Which is the best evidence that a Hox gene found in flies and a Hox gene found
in mice are homologous? - ANSWERS-all animals have a similar gene